Affects Oracle WebCenter Portal (widely used enterprise product); allows unauthenticated remote data compromise and scope change—enterprise-impacting.
CVE-2026-73957
Unauthenticated HTTP flaw in Oracle WebCenter Portal allows full access to portal data.
Is CVE-2026-73957 being exploited?
Not confirmed. CVE-2026-73957 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-73957?
CVE-2026-73957 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-73957?
Yes. A fix has been recorded for CVE-2026-73957. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73957 affect?
CVE-2026-73957 affects Oracle WebCenter Portal 12.2.1.4.0, Oracle WebCenter Portal 14.1.2.0.0, Oracle Fusion Middleware Portlet Services. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73957?
Isolate/deny public HTTP to portals, apply Oracle security update when available, audit portal accounts/logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker (HTTP, requires user interaction) can create, modify, delete or read all data accessible via Oracle WebCenter Portal, causing data breach and tampering.
Immediate action required
- affected12.2.1.4.0
- affected14.1.2.0.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.